{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "197220",
    "entityType": "User",
    "nonce": "0x280110f9246b42d14a296edab5fa2f360ca0871ddc766cf2a828ed2f72c0945c",
    "signature": "0x7bd0445c2bf536120a8f804eb1ca50f6280dcf1d594a7c5638b958fee39fa6196ad3dbf20cddf6c2f214c7d25a6ab1f54e76520d50e020cb08f6ea5e6fac76af1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}