{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "937107046",
    "entityType": "User",
    "nonce": "0xb482b3b6af44d4cb50df9acbf1dbf3107aa539c477f14c8464a4b02c4b1d5eca",
    "signature": "0xd6f9d2c6266d74042f5973d6ba992b9719f71110f3dd08b2a5ee83477ae7c5d67fcb193ce792caf20d6d5956782fa0befcd9557d7fbc8ab9df083aa59ddd0bbc1c",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}