{
  "manageEntity": {
    "action": "Repost",
    "entityId": "616164761",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x74386d09181c1ffb0eb460eb654a402954da976c84bcebd44ce9cb0de77cbe8c",
    "signature": "0x04cec41d4b89cc14b3bf851f01fb2106105a98089f2fcd7caa23cbe95b537d9309f1b6245e984cf4540834606b3fecfdfd3101db0a17a85765fe0b5e019e9f601b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}