{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0xe1f06265e27ec658fc54469e711b42bc18f035a5d71a1c5f81ab7ccfefca2ab8",
    "signature": "0x02a6855a57295972a08e79ca1fed530edc1d997665f738956cf01e5afafcf50a3bcc6f02a83fe543916840afb6ec26c496f858fea2d4d2e67eb88c3c324d1ae61b",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}