{
  "manageEntity": {
    "action": "Update",
    "entityId": "366722698",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd625aaa60244edbec24789a29498c4a709170e3d53600f206933bded53b9d211",
    "signature": "0xe97383bffd08abb3a551b2e2a8f4f798ff588150b7b188745ac2d5334584c1072cb5a756a2801d65806f3afd53216ac98ab449593a5aa9750a2fb99c58aa187b1c",
    "signer": "0x633d9F446E645E4a4Da529CB996A34Fc6599F64A",
    "userId": "366722698"
  }
}