{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1931557",
    "entityType": "User",
    "nonce": "0x008d92bd0d044fd58c46cd17960fa1c51c0e050b2a75117b2aa02fd9576762e8",
    "signature": "0x15c24b3a6c7cbe0bfb28946ba4a4a8368d0d9a5a76a970589e8bb4f5c849be8b0c937dc5b8ee2631f55fc10aac8a2e5028d76cf497afe3da48c944e636db50b11b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}