{
  "manageEntity": {
    "action": "Update",
    "entityId": "785201",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe1edfa8a56bc882a83ec9dd52cdbe3feb091061879b702f5efe35044825811a4",
    "signature": "0x041c3504b5ecee9321d7d1f0b3f37e0cb9f7c2b808cf00bbc889957231834bad3adffb8f12c5918f85a07b5969840a34ab9cdb02dd6fa09ee7538efc9d1847e01b",
    "signer": "0x7C3854df2708D5dc9d22bA310Bc0f73C074f0321",
    "userId": "785201"
  }
}