{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "57875",
    "entityType": "User",
    "nonce": "0xb89a22d796012eb1d1963b1b1d4f32a77717d3bde6a5efcf13ebf76d8694fcab",
    "signature": "0x69d2103a71e01e817945c2ecc6348746d3dac1833568b41f849c604d5e218c0740de28f102321730ea2f49bb3702e7bd4ec8b100820db93017af045c8312678e1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}