{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0xcfff3ebfa342ec69cf4efe7bbeac84bc5f1b1ec3635bcb31b9752fd6b902eb82",
    "signature": "0xaaabeaebaea9111a230efe6522f961dc62ddabe946690eb4d03eab6eb02cd6573ebbcb40317dcaad1bfc5fdd6cf325a67014392a097bd578927bc05ab37fecd81b",
    "signer": "0xcbB10338Bd27D90284f9690bf10E523b1390FcDb",
    "userId": "414663508"
  }
}