{
  "manageEntity": {
    "action": "Repost",
    "entityId": "301304",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3baf2a6cf9f1b74a083d185ca8a6778fd9f3dd4a71ac6c44f91b33a8a855a4ac",
    "signature": "0xc6e4a976fd3d8a4d1860687780e4a254a5d48755914de633a82ee80bc4ac5ad02dc2f76b813007ff1d7d5fa6ef5780a3d58fd9f7f9f1fbc8736b860428dc4be31b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}