{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0xc1da56eb046d0a9c55cc46a5f767a1c287082e976e6969ac1151373c83b62bc9",
    "signature": "0x6bdc244981c92a5074c1b2ff572a1134e7a0efee7e84c70739e957bf551c5ef54b84ee3e3260f044f3eaf207d66420b9db68c5d4603fb5774330b634f62982821b",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}