{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30592",
    "entityType": "User",
    "nonce": "0xfb2bb7f37fbdcf12bc831cb905d9d061477f75126ebf1bf54c888f238384e93d",
    "signature": "0x68afab4378bf3a5759b338e72eb3bd93677bc79a71c661040a2c1bb45a4106a03b9719c7c40da64fa00aa629f3f190a3cd6073350be6097496076b89c19eaded1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}