{
  "manageEntity": {
    "action": "Repost",
    "entityId": "121321",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbffdf4c395bb56aabe95f3a17fd5439df67785b1f19284474917ced5674f48c3",
    "signature": "0x9a31f81a3f1a2e3075e803975e822b0607ad0326e872d7820d2a7403c1f9925357df49e45cfc5f9b03e96bbe85d7ffa6645cac23aef45f2eb1108722ccdc5e381b",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}