{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "936620",
    "entityType": "User",
    "nonce": "0xaf9441147fdfaf5da2e2f64994ac4d7651650b5f1d3a180451c41a8ad7f61e87",
    "signature": "0xf230f374aeb8655b64d900cd5c78bdada77f33acec306f89146f25477dfaf6d56dff5d50586022cf709ccb2b1cdd9d9a9c0e69f7730920b82a4e01c5e3392e861c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}