{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x41ca5602de8f4dbbbb1c4576ea8e28b90f24bdf8f2c9687756693b55425c3927",
    "signature": "0x91b6152940990005e2bf0d618f01683eef22b23b5996402b90ca7b75e931be2a402a2642f9b1a95c41cb6939c82412f3ca89d77721d0d70a16ef44078e76c18d1c",
    "signer": "0x01524AfC4E12B04B1DCc1aAd0B87D0c91a9bA0dA",
    "userId": "293163804"
  }
}