{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "89865",
    "entityType": "User",
    "nonce": "0x05292ff23d8d1e5e7f44913c2907840a8b159d2c9a19de16c4a103300fb07415",
    "signature": "0x5f9ab6b9b902f88be88797592f155f75a6c966a07da50e6f479147ec2211d64677d26e07c5732848156ad3341884989497f998404e5113f001ef4152bfbc49d41c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}