{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "358652",
    "entityType": "User",
    "nonce": "0xd039e34578b9b6019295b5d67372f568a6d15f040d4682095fdc63921c97d234",
    "signature": "0xe479f112bb4a3093b755ae062d96eec211eae682a68f8b444f2ebb527356d353339c879c7c5013482993cbdab123a6eb89dbc972f3e9c02b352ad51e8045125c1b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}