{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "430272308",
    "entityType": "User",
    "nonce": "0x030828ab055cf5dc496b920e44a13db9b801c398be30703fb35019dde523463f",
    "signature": "0xb43f7a0d4297f05f8468003e0a8067493050a70373a03f2516afc9265230d7c00a3fb0b0efe9424989154bd2b339dc53ce8f0be201c2b4e26c981c88be641e0d1b",
    "signer": "0xaa9597d3d2D028AC73c689f02E12E7e28A407E7B",
    "userId": "761103314"
  }
}