{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "64670",
    "entityType": "User",
    "nonce": "0x735ac8cb97f621e10e2790c48a000267522ac4ea086f82a3f4b5595d2ad5f31a",
    "signature": "0x9d46f180d9aa46c975e5080956544a4aba5c020068a9d4447f26a3a4972c5a80622e08edf00d8b0ad4317e65f5acd4a62f7ef489825e6b23dd0498ecd5713b6d1b",
    "signer": "0xbcF27CD259a120e92577BC7a7EB95670b3A0E2fA",
    "userId": "105402635"
  }
}