{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "398179",
    "entityType": "User",
    "nonce": "0x3cacd7c4b216b2f78ff04df988cb2614c982e1ff04ec9c1243a7e72ba66989b7",
    "signature": "0xf0b3941adcaf14e798cc3c6dac735eb22e8f17326050369f80d387348d2eb56642947cb27cda8bce2d88d3901f19cf4b24e7a23a816f958c8d5843bf67f13eb51b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}