{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "77371",
    "entityType": "User",
    "nonce": "0xcc8e94dd23b233d8de73f00a6afe7979224f0fcacc9cb80f5f948b34bb158ed3",
    "signature": "0x0e2240408894493bc9e8ae6227afe379c3b4533f7968fa56e5066ce2d901c93056cd851768898d7879d13884fbee30283d71a5735f77de023f6e0333d36bc9b41c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}