{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65914",
    "entityType": "User",
    "nonce": "0x6dc0f8c1dd0329f657094e21dbca0eecbd80da9a2688790672bf55fc55ba1acf",
    "signature": "0xec1ccc386c9553b1162fcc7b90490cbb4592513bb2cf220785c9b8f821f00c3a67f97a9df602185fe2292b575bcfbea70aee6b37d7dd6c273a6cc0247dc686b91b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}