{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x41bf7470c0f40347e3582b69dd120463c0687845dbf18053aed9b9c7d827d69e",
    "signature": "0x93d7c0399a1444a15d320a37300b62f5f5a7ea89f869b9945339c828c8fd578471539fd20c2df1d0d9952d9a602c07c0d8dc0d529064b4094958979551b45f5d1b",
    "signer": "0x0A1576c1c1074FC75841d47BDeb7dce5eCe080FA",
    "userId": "181033681"
  }
}