{
  "manageEntity": {
    "action": "Update",
    "entityId": "560630042",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x27e47fd341d081ac3660178ca60c436f6345efa9f1b2480fcfdd5469bcbd5384",
    "signature": "0xeba503226dacdb18fcdeb6a06ed0451a63f5f6562321df5947a5af90d5d7c3d652f62db743cc61c0c1e25094652fcea4d7baf1b5b11830a3c391f394d803d4751c",
    "signer": "0x0fdbE0966d6f65E3DE225D16D06131c10d4F2b3e",
    "userId": "560630042"
  }
}