{
  "manageEntity": {
    "action": "Create",
    "entityId": "411556044",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"user_id\":373173,\"entity_id\":1804278056,\"body\":\"I love you \",\"comment_id\":411556044,\"track_timestamp_s\":10,\"mentions\":[]}}",
    "nonce": "0xf7b828549d6d77f5c0887774bffd113f6fa63523c9d02a4e070378eb186ef232",
    "signature": "0xc955a5d644f865ddd5472b8e84b7cfa57b6721a478bb06d6ff910dc2d89b74564562b2ec5bde30444c34d42bb470abf0ffbba4c38be80a6a91a5e32d5abc41681b",
    "signer": "0x2CdceEeabf6dc8403D306e7C20eD1Bc4F95f13cE",
    "userId": "373173"
  }
}