{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "12225",
    "entityType": "User",
    "nonce": "0xbfeabe7996035cab5f42f6bf875a740edacb6878ab17062e4344c055b4444718",
    "signature": "0xf5d41c4557b285e18ec1b987217a60e5c4068fee39877ce616ee448cf9d5d7d468c801f9f5a3cbbef95fcdc7de3204ea736d18c022c9d0bc59dee75e8be5c5c61b",
    "signer": "0xdB791822A11f5aDc830669bdADa8121a4558D7A3",
    "userId": "347139808"
  }
}