{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "67615010",
    "entityType": "User",
    "nonce": "0x575824e960c425e7199a0d36e0c5bbcc071c47c285b8c7994ae428869a599afb",
    "signature": "0xec3e943ff93574206d7df0f05065d5d3f5a3ffd496ef11f54a755f8e6fa19b9b5ce1dfdb3d44bac230e97e81c82aa305eb5bb444e4a470856dea11092bb6f08d1c",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}