{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368981",
    "entityType": "User",
    "nonce": "0x222f6c9c5a04a4bc05887f620cf7fd2f245cbbab5e0e6e644710ad15605575dc",
    "signature": "0x48e1a941455f83951cd09e84770e869f5e6226e43e65287a862fc17c1d8dc7a376be951a87f739614b123089d9890f93b9b76cd265c6bd34dfa3e8aa18459f6d1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}