{
  "manageEntity": {
    "action": "Repost",
    "entityId": "355459761",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3f36f7501626fc5c82cc930aafd93abb5d82302c89f5c1593c03f58213f7dd16",
    "signature": "0xa0ff751c3b96c3bd2b3269d101686a37e1465e9b9f0bd58082b7ebcb5b1e8d7938546ff44004100f3471ff8e58e759c1a8cfd8dc749578e4cf3e0af5034ba6d31b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}