{
  "manageEntity": {
    "action": "Repost",
    "entityId": "718623",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1ec9291359827f53f2c4c8c1be8e1d98506aa1aed976b932e0682171949e602e",
    "signature": "0x7c54cb58cfd7c1c6a1746072ecc9c9eb14927dc60343c508c021f35f63d77d0719293dcf9e23d3748cf68deebcadbdb6f48d52da0494ba7c64af12474d4c65dd1b",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}