{
  "manageEntity": {
    "action": "Repost",
    "entityId": "518421285",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd10fc72f43594d4ede420c1eccfdaadb3829367ab4bce20d8334137e35a07054",
    "signature": "0xaaf80dfc845b64117fc75b3fe6b6db0c3599245047c095b89ded663b5e7485a47719e63aa26305aef37a47b02efdd633a3f43de7ed1fbfebd8b10c769267344f1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}