{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16782",
    "entityType": "User",
    "nonce": "0x66a4e6b1aad3b85a180258f3bc7e8357bca25a19f7ba82da3bc4c14ad8152682",
    "signature": "0x54fc2a8cf27bed7fd52a0aaa52cdc3e9100e0951c3b33c0bad289ba0f0a5b5761e4cdcac3017e75035a42690453baa0ccd6a4bb3b7a0eaf3554ec5ef95de02941b",
    "signer": "0xd85E4A094e4C057572A9D525C9737051A17ab609",
    "userId": "696716320"
  }
}