{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871265248",
    "entityType": "User",
    "nonce": "0xb241994d586faaf0899385c5fbd2a57200976e843384d63baf243bbdcac7fbca",
    "signature": "0x71f960bae36c1ba0804f86caa3df3cfd69c04fc69bea5cbbb6815e14fa9709a723b1aaa9fe154d22c047816d6881a21bbd8c085bafaaba8eec3a17ba538562911b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}