{
  "manageEntity": {
    "action": "Repost",
    "entityId": "548519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb88346453b33ce54a0668e54aaeac8f92d885f9876be5b4642d0a97d25093d04",
    "signature": "0x33742e2328db6a6f46bc8a2b1b2a11cd2b586830fb2086d3b9d625f43a0072c955ff40d22fea7fedc38049a42a08cf8fbeb6874d17bc95f125e1775509f7c3061b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}