{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "352613",
    "entityType": "User",
    "nonce": "0x52b44f90351d9edbf5d9d82d67259eaa924344be525a618e664bdc0f48ec5475",
    "signature": "0x44d9fc473f928846c213dbb6f3215f0d92480b0e6a1d67e5e5402d34825eaba448160a277c791589f84834566107581c98e311758f6ce8c3f4bad921228529b51c",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}