{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x16e038ca64175c3b83d220b9fab3a51953b90bdcdd985b78bf64ca93cf3cd54c",
    "signature": "0x7a61d73a1d1cbe137588c58952df980259468ee0e9d516ac82fb97e31a58f4c72dbba2c82b942671aa8f35451600b548a74e3b83ba731597fc59499cf3e7ae191c",
    "signer": "0xa8C7601e0019CF3CA78bb8a037FdDBeF68761B48",
    "userId": "928462194"
  }
}