{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "369818",
    "entityType": "User",
    "nonce": "0x8907885b78857954fa3eaf97fa01244f47b879d8e5e92f2f27937493c4e8db22",
    "signature": "0x7a0ab7a9d305e5d7883a8589056a925aae8efeaff08e6906ce7787f25c60a12b73e923d0e4af3b6bc2020f424342e70cba7e5302f58d8f403870d21b83c7eda61b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}