{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "29347",
    "entityType": "User",
    "nonce": "0xd0193aea0e12dc42b6befa28e728549be400d1888d83026245f27756bda7fce4",
    "signature": "0xbe01eace886743f3fbe27d8230979668a106b88c03a6b1036194181738d70e665d6c3e279de49d1a92110d329915e56e0e6ed65eedd0cc187933f5c6e4f448e91c",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}