{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27630",
    "entityType": "User",
    "nonce": "0xd53e36f276439cc0b0aeb19eaa2123b156c0bb69fbba2a322d9fffae42f6e21d",
    "signature": "0x4b41ac5591a7a3a4bdde34fc76d877ab52ac8a37cddd3adff9c71179c6438fce28318de05acb13eb17de8a65197f0da7c9e4be4807ec6a17ea91da54f76f15711b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}