{
  "manageEntity": {
    "action": "Create",
    "entityId": "529212056",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"mad dope bro!!!\",\"entity_id\":2083747686,\"track_timestamp_s\":152}}",
    "nonce": "0x5f228be42384573f22dd4e084420b42da501eb060669281e07970181193826df",
    "signature": "0x0f0278a9b17bac4a9ac00715af5186619eeb34edbe6ff57a2bb7c421d8e5882b676a827eeafd41088ac4598d6dfac6c20f092bb6e6ce228eb65d5868a1917a391b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}