{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x9c20b5a1561a8328093f1ac7b6498618caee123f953b7bf0b889616313ac174f",
    "signature": "0x789d19f924d3673ff39e695ed707d380004dfd723e1c98678ce02dec29b8f01d6bed347975966f0033416489140708787682de7a36e342ea4ab75bf9d4e309d31b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}