{
  "manageEntity": {
    "action": "Update",
    "entityId": "863628620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcd9136cd401e5ab77fc70cacf4be51c4a1e7e104318ea19562217b088fa1270e",
    "signature": "0xe9cdb384ee5d8ebb5a222303041e1a9cf92f82ca45c1e66439d2e8273ea98b7c519a09d9e5c1958d93368d35a812fa855977bc047ecbecfe4ac9bae0b46009f51b",
    "signer": "0x8d9bfFeAB3E59b61f66Fd07c56a57f04FBE4591E",
    "userId": "863628620"
  }
}