{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "682453250",
    "entityType": "User",
    "nonce": "0x8a04d863d95bd24fc333e6479315ab87c3c209477b83dd134a2d315ae352576d",
    "signature": "0x20199ec217a825082d43b180bd1754a3010e9547e0711100e36c48d9bb7a4161184225ede9277617076a2a9dc8267ee30726306611e728c0f7251c8fe8f556a91c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}