{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "392203",
    "entityType": "User",
    "nonce": "0x6de8129140b89c76ec955bb584afbb37ec0b5fce9ec26775243c36af41308e2e",
    "signature": "0xcbbf7cdf1b367ac47ba6720e009431f94616393b3febba4ce8b27647ba32fb310d7d9cdb1798b6d96a826b075d27f378ce69a5d293ae1f5bd56a6601eb7f604b1b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}