{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "632918751",
    "entityType": "User",
    "nonce": "0x7fdb7846360f98c9a1765032dbdce9901422919bd7631242cce1a51d9fc1a3a1",
    "signature": "0x51a6b3c2a21108b4b1ae3e36f7acad3fdf29a6febfaedb2d5e1c2804222c71b2171b507e66b33daad2e40c8cb17bedfd40a5d600b70ae7926680150828b9967a1b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}