{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "225020",
    "entityType": "User",
    "nonce": "0x02eb6fbf85a76838a027ca86d6d7c5735498104f00b5c0760a335dcbae9b10cb",
    "signature": "0xb4bca4a152e36ba83b00986898b69555a2958cd298b8e4c3a2af435988f5874b562a4ff3ebe1f4e8735182feca389c973cb698995fce503e18e2fadd374eb88e1b",
    "signer": "0x3E45B1bA0243f60107205fC8F9971c58d64Efb57",
    "userId": "415050011"
  }
}