{
  "manageEntity": {
    "action": "Repost",
    "entityId": "516687",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xecbf614166fee8e806c753e8a7eb2392b4e7f76309ed748dbfbc61cca1d74927",
    "signature": "0xb7c094d938baf36b15d199b16a6c13240e2c2ff51b1ca3f63ebc7b106608a7a2448dd4fd2f66c8c2986934684e8c076364e9d28aff68c2f54695caaef36b87521c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}