{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0xbbca902babf2aa4783aca44a2164fd678c1ae55a3528ccc2f4ceb2d967153a46",
    "signature": "0xf55f42fabef7464e8ee7959c02915dc2825e201d43bbceba3b58adc8e1dba7d2065eecf9dade0eec1d91731a4804f588842ff0c66534e5e4d1c1213db8b9fd971b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}