{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1543639151",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x404204cb172c6f8d4bc14e3eeb20ee13753ff8cd7b78323a6fd6ce59f15422ba",
    "signature": "0xa7599f46503b4748917da50357014c53753e76632c306b9598926f8653049f7c013aa5f23cfa37fcdcd98eb4417d04777a5931081d6e8755cccb1df8ee01a6691b",
    "signer": "0xb51B50C9b7d88C66d31539161F4BA9Dd72a17dF5",
    "userId": "465531556"
  }
}