{
  "manageEntity": {
    "action": "Update",
    "entityId": "136466",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera6nerplwb6elou5th5yp3dwkqccvgrxjovuliscdhharsouramayq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":39246},{\"type\":\"playlist\",\"playlist_id\":41038},{\"type\":\"playlist\",\"playlist_id\":42004},{\"type\":\"playlist\",\"playlist_id\":42195},{\"type\":\"playlist\",\"playlist_id\":38568},{\"type\":\"playlist\",\"playlist_id\":40502},{\"type\":\"playlist\",\"playlist_id\":1421889343},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x9c133eed2d8d758108691a60d3727eeb7805dfe52307b9aed59f31d8252694be",
    "signature": "0xff285da4956ba43fc61cb8b62d34c8c5e73acb58b42a5ad2d147384b90d214460708fbd67974f13ac49b7ca23e4d4be4e65d90ee46e0f85dd5069a9dc7caab9d1b",
    "signer": "0x3Ab8fF95DbFC0deFd15d4d27949f03d9fDd90404",
    "userId": "136466"
  }
}