{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0x825da6f8b96fba937afa1d6b4621fb59bf788a7e3449958a1ff1782c9a587353",
    "signature": "0x58921af98709b02924bab38dac272ca5279a949d648c54bc14b6d2b38e8d04ec4f7931b492e9bee6337db44502c98517e2342a7fdbcce11e2a3c373866739cd71b",
    "signer": "0xCf935912401212345CAf723421Edcab4F675a495",
    "userId": "915454181"
  }
}