{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "285143",
    "entityType": "User",
    "nonce": "0xa5c0d2049e184fc8ad532b811920d9c711da68de9836ca166e253656024e714e",
    "signature": "0x7314747db3cef2935471d38cdd0bb87d5d7edc596f7e34a77c4b7e68d2473d5b3840099f7f32027f55d0b4cc82f98553a13078a7575bd6b0f9f4955525a684441b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}