{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "161353174",
    "entityType": "User",
    "nonce": "0xa0e936fa466b79dcfad90a9f766a7da61cfde7f30d11f39fbb42f84f91a19772",
    "signature": "0xd5d77fa380ef027436eb3872d41eac2a398bc3554a9d4245caee014d6c96dd8a207774a801d2b6fbc3c1c4e677d465f59708dd45c736061e1c00668b7e8319921b",
    "signer": "0x34Cea527C1dc0575a5B686515aad0Bf8F3b5f97E",
    "userId": "13589021"
  }
}