{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521780472",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3383815b65b987ed44a7417ca94de073764a8753eed3ec2613ac74cfa90b5c94",
    "signature": "0xf9e0d6f44a6efe002586d42e0ed4c7ba010ec8d8d339d3ea052e84c5b7e0aa19211805b170328fd0cb8f97cf472254a12e00820b76bca06a6198c1b46d9d483c1b",
    "signer": "0x6068Da6B0a791A756931bE32de98D46eBb95890c",
    "userId": "475275462"
  }
}