{
  "manageEntity": {
    "action": "Unrepost",
    "entityId": "1058184128",
    "entityType": "Track",
    "nonce": "0x823cc0203b9b99040a2c2b9fb212cca390754d7651df68662ea7a4e3704c6c14",
    "signature": "0xb5c038655f28562ca5fa1f0df61a2d86a273165f2757c49715c83874fecb9355700b88b1a0965130c4515f9b40b4df1232857f8f2a5b91cf367ccc90ffad9a1d1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}