{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "20",
    "entityType": "User",
    "nonce": "0x6acaa578978859f18488b01a42d0b878639096e251e2eb20d94c6c7d52a85c47",
    "signature": "0x4320927590b348ae39d19537c2a68c009d4fa6cd4d88240038ed6e5a22d296c96e93c7d0ff69ce7fcdebc219a20f68399c29ef48c472038c5ca33982a818d83d1c",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}