{
  "manageEntity": {
    "action": "Update",
    "entityId": "63344882",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7cff83adafc9b60c234a481bbf8f1231933dc12416166b7885bf6eee90330ae7",
    "signature": "0x03964ee29bfab3b6d3b541ed6a444b8512b2eff2804bae76262016be71f5de6c78d02c0aef33387c5b783f3e4c7eba2937ddcee9b75505797e3420c57923d0421b",
    "signer": "0x9ca65cF3aD8eA1f8C3232cc2aa43511b89a5aaEf",
    "userId": "63344882"
  }
}