{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357010",
    "entityType": "User",
    "nonce": "0x9aebd8e0fa084fa749545d2c65ee81b5c560e7e4deeeaa5731c25bc585d650d4",
    "signature": "0x9f196313b35d2f7e47519f6fddaee489167ccebd67c152efeca03c4965e8461a0185d8d183263ee3b1f2d0d5b3b9fcfcfe6c4a26dd72164c969ccb7179d439a81b",
    "signer": "0x2Df83D15c880275a0138820cE2009Fc85eF32C65",
    "userId": "107618708"
  }
}