{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2046878",
    "entityType": "User",
    "nonce": "0xce00406e6d6280cb85841fa87123328eda0c140bf813f2f3b05cd5a8cd733393",
    "signature": "0x1dafd1fc19a9d19f3a79184102cecfac90ce81a0cdfd0a2ecf545eaa7cdb67ee539fdf4c73fe65d01f4260120ae80406b7a79ddde3782a2bc7614d4161f807851c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}