{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "581802105",
    "entityType": "User",
    "nonce": "0xf7c4b6ef01dd5ff8a710ccf163e624f055c4f8904103278114d207211aae7113",
    "signature": "0x75eabab454b91fe467fe403684e75a5634fae6cdf23cd333a736e400bb3348010ce0c4a4ffff0c022072f83052514633abd300de8a9184460ca8f64d4b0da7001c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}