{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871265248",
    "entityType": "User",
    "nonce": "0xbc3be0ef96ed54a61f22418706a33494d1c593c3c0f29fa81de930c0f5d20463",
    "signature": "0x94462e5f678f9eb3f39eb5a72131630963aef9d68d681df5f22e980277754e7e38e67805e1cdfcd924c2b77f74d16fa0c118cc9736fc4b1ce49dbce31c7b28b21c",
    "signer": "0xE466248f391B5f99247E259e38d4f898225001e0",
    "userId": "260762194"
  }
}