{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232258693",
    "entityType": "User",
    "nonce": "0xe750c58778c36d05ee3f282aa1ce448102d5b7389b8f7e866fb9871fba0ede4a",
    "signature": "0x3ef53e334947dfc1f53ad4f19bf75fffac12ece2a18c5de7f637ae94232d2ab87d3db6e63edac822d69cd30f6eb07252aafd079532a7bc4ec41563823422f1531c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}