{
  "manageEntity": {
    "action": "Repost",
    "entityId": "638239656",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdb119095935ae44b4bbe9d55d86f1b64fca160fec5c5a3a3ccca6b04a397a3a4",
    "signature": "0x9573f91198284e1bd44894a9a58af3080e96af1b49f519e4c459544884848aa710e07484a018fa311b7c91f6d351490144e8334337849ebd29e9079a0b1b9a971b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}