{
  "manageEntity": {
    "action": "Repost",
    "entityId": "338243",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c41c4e28098924a8c15c168febbe985c437455594d267f94a46563692c69eab",
    "signature": "0xc8baff4504a8c371614453e2eb07dfd4ce13db9cf3022455a39f95bcd85bb2bf2d3cecf72bb71918b2ae5ee04c2bd4667fb762916b95bae158f66a20b942de511c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}