{
  "manageEntity": {
    "action": "Repost",
    "entityId": "123219758",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x35059c775f1fda98246d3c6ee65888b40c7118277ae09935ac747ed1ff10147c",
    "signature": "0x42b3ef0f402d1b2d919fcdda670e2f780c1fd2cb81fc7d4b8e50729c1316e24134d5ad0134e38b6663899cecc7c07f1955cad5de79389725ec941c992c5fb59a1b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}