{
  "manageEntity": {
    "action": "Create",
    "entityId": "284864064",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Dm m\",\"entity_id\":242807}}",
    "nonce": "0x169ec4ef5e6b7ee4a382669bb774d2586324a97242de727af63841a9f2c91f63",
    "signature": "0x0408c698f25f296d2ce092b4549841836df99448f0dbd68c299b2844074f270a5c5ebe63b2e049da0ae947302e227f5dacb247a86fc74464793f9bcf4cf0609c1c",
    "signer": "0x2413679eD5Aa7730aDf989AFC81d0a69AEB061AB",
    "userId": "670006010"
  }
}