{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "24240642",
    "entityType": "User",
    "nonce": "0xd1b3c9de1c28dc909d85722da896b19f2fed5007c2c15a3c0ec528c3e6d274c1",
    "signature": "0x5915ef2e82155501c451b74373361ba5db92ff52f38897811ef4e9befcbf99f619f367422128827b9f8fe68102f4bfb5ec7127c9828e3dc1534e4a7c774f869b1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}