{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "842470333",
    "entityType": "User",
    "nonce": "0x13252995c8e2e501c6d654dd2707da0634b193bf331c2a279e8e0abf90b13dc4",
    "signature": "0x9ebba5d96821064a56e9981077c0d852baaea9e4f56e6819d6705253b5af6c6e74a035dcb34d8492b8b7c326081cf7f9d5bfb3a0c5d4f2161587f6df126805831b",
    "signer": "0x45C682dAb9Cd8ED5e055aC2F6a860Db5F14c27C9",
    "userId": "611525840"
  }
}