{
  "manageEntity": {
    "action": "Repost",
    "entityId": "299119735",
    "entityType": "Track",
    "nonce": "1789817233419306660",
    "signature": "0x70ccea3069e5c3d153d7a92f539b1f0e19bbe4207a182bb1b56fcca954c3aaf673fe7e3cf78d6f52a5d3a7585393ad2556346837d5b609152c978d77b18cad581b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}