{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "234259",
    "entityType": "User",
    "nonce": "0x02a99f55991d77efbf0b33ded7b41ab4c434bd6029c24f4258fab1d27b5a71bb",
    "signature": "0x93c6cc997ea5c9cc4e40b4e729e86c4220f84201837cd0bee753d7caec3129a70daefd9de89e5fe00b4432357d01e7b0ef776f2b735772af4aaf11924cb828741b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}