{
  "manageEntity": {
    "action": "Repost",
    "entityId": "448716229",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x787b4e09651e179358ec7a08f23b616e4b1bda6fdc89bc45539910e74ac62502",
    "signature": "0x1eb02f93c2b2b2e919cc5c635cd84828b1dffe4243c56284a9a2e825698c13337bcaa0ab430346a4c1fa753c983c3ba2598424cb6788cfe9ba0129edd69b593c1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}