{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "986621",
    "entityType": "User",
    "nonce": "0x0d916d626c7e870606b0711b6f5d215ffc25cff6791466bb1db88922da444f24",
    "signature": "0x276da0d5d848a26815b4ff137cd99985ed5891dcc30fcd906c3ffa7f11102ede0db104057d291e72374a7f2b3e165bd2bab68374ec4cdaaa83d90d3a795e5e581b",
    "signer": "0x18356cfD8fCEF0CfA9c1317D9538cf9f94734021",
    "userId": "855397745"
  }
}