{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "722764767",
    "entityType": "User",
    "nonce": "0xcb4e0f306b651c1314bfa8260f465fd317509232b70116d3cc5d590f7dc8fe11",
    "signature": "0x6c239c10c88780acb352da274d74718d6b2b8a6cfda4e17f8e0cbacd32bae3a6025db6864fc4a480aaca5d116d60525b15643f71414b1b322243021253cc94771b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}