{
  "manageEntity": {
    "action": "Repost",
    "entityId": "428693",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x773449537ffa01dc60fcfb09fe55aeb8f526f0f28e86e7bc83d83006682eed4e",
    "signature": "0x203d7f906abb17cb3fd4c693400f60f341cb7df1b59e464194fd7c67f5ad55c0131e6e9cfc1a244a0cc20c427961b9108b90f6f8420b8352ab6d8c89bdfce9fb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}