{
  "manageEntity": {
    "action": "Repost",
    "entityId": "596418647",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x507d952530dcad059bbd5563e0a193d0adfe67bc6e0bc9d9e6c2efd7299ebe6e",
    "signature": "0x728e65667ddecf1891803914169deef2c8bad63d9ce0e7b15105d1e6cc2b3bfa34bd0ba0f914971402616645bcb4d3b492f471302ffcc06d22597914b19fb6731c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}