{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172938",
    "entityType": "User",
    "nonce": "0x59a0aa52924eb35118bac81d3057cbab341851f0444f5e87008add5a97061ea6",
    "signature": "0x2b804433142028588ac1ad645ab10eb59b953b09f379d51ee88e9d56996ed00346da594783b2f21e1f3e5bc88df768398403702267a691bcae904443b6250db81c",
    "signer": "0x7D6D9035aa24159A11b756872c46237Cd881A110",
    "userId": "892995183"
  }
}