{
  "manageEntity": {
    "action": "Repost",
    "entityId": "639757",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c5d8fc72f58720984ab9c68cb16b0be86ae1b7da6816126ce6a7d51fec1affe",
    "signature": "0xcd92625e90cd5289eb8dee7fee8ab491f11742a8a34cac5188e6d9648c6ada4b0805307d2ec15e15a41e49e1af48ccd95b64ccecf38ba9e2535ce0bb76c30a701b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}