{
  "manageEntity": {
    "action": "Repost",
    "entityId": "377851",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7d83bd62017a71979d20b75266bb76dd3050faebf63254be254e453a194d7be1",
    "signature": "0x942ffba6c0be98b1ac90e54a494ecea90ff25c0c0864828f6f345797cb8aa89f2ad3774d5076677ca5b748ef43d8462b3750a3365f3532c3cdd7b8f78e2859fb1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}