{
  "manageEntity": {
    "action": "Repost",
    "entityId": "449222",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x45381ddafa960036166e8a60649571884aa56b331247c976f4441bb3f2319f18",
    "signature": "0x1ad7ec6a1bda033f0b2a21358afde9537e0a4ff2cd5305b3dfcf9cd4560b57c1406d28ed1b669559f5a482a7c50f758dc910d6d0571ff42f29c01eeeb253b3951b",
    "signer": "0x4089d1751487aA665C895419F2578a6Cf33BE481",
    "userId": "728155533"
  }
}