{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "34569163",
    "entityType": "User",
    "nonce": "0xd70983a98645ba0012032c55cc87a2955c6fabd9d3fbf8f4504a3e8c1556ce41",
    "signature": "0xf2020d2e86f5e85077c38223b8882d20d2ee79287700af4a9c4a2f26e37773066da0591caf0c387a180efab392ae3f77b1b82b6aac82e1894807c8663f0839d31c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}