{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "530268349",
    "entityType": "User",
    "nonce": "0x09c556fc5fd7ef400792e600487e0b91bb98351a66ee62150f4edbcc3ded29f5",
    "signature": "0x49c004a87287f5f4002164a720a0b6d57429fd1b38ce47f694887df44befbd8771a4b41493fa340ae43942d9e0effe3c441d8f42a838262806dac4dc16f964a61b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}