{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "853985883",
    "entityType": "User",
    "nonce": "0xec4e3526678d6f38629d19c21e7ece99203d75b96ca510b635723ed74e3c273a",
    "signature": "0x17877f6171274196647d006707cbd23cac1b5557ed70ff6fe1b480a5e9ab0f3b298cf2bbe749d8d09b67ee09839b108a0ebf2bf368d1d27efc9a1c338d2a00e81b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}