{
  "manageEntity": {
    "action": "Repost",
    "entityId": "821909909",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcf8ec1b6da6ad7f7925cec8cc4c6cc8da7acb2929871cb71b3873e95b2d159db",
    "signature": "0xd717efcfdeb2cf5c0eaffe22383e59f5e79a416e5ad82956971484bee750e5b0538418a53587f354fd90bb8a1b6f5e149aaafe19f8f2ddb7e04ee999287eead01c",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}