{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574903869",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x691b29d5b01a669bb0f1084dc920e62b5217cb182db14d30a21fbf6116b07e4f",
    "signature": "0x1ebdb9254c23f47895b4f9447c732dc590bca5ede9df02eff8807b57f45036711d58d28011abfa43e00b2666027bb1b07a5742659dbe483b7d1aa7f0334bea5f1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}