{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1456673744",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb671be645fa8dea1ef3643d99bd845993cabe2126801b0ac071bb6d4831a1ae9",
    "signature": "0x2ff35e7b50ecafcde42a813266a98454a1c439cd6481c740ae11d0a4f4bcbb231fa79dc9ca774df36a93d67b6ba1442d0b9c10047e8e1314ff37b206df00c4ec1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}