{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578917600",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdddd7477ce5d37702eced7506505175ee681a621c28f44e2465c7bcdaf30b047",
    "signature": "0x96aae49a73e8434a19e4ed4a6d62259a19140d881522ffd2b1d20ef5e4b4a85e5a6beab73b094df39fcdba78ef578551f860370b6c309f74b98c5d6d226ed2741c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}