{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5091848",
    "entityType": "User",
    "nonce": "0xe814126a00dce3fc68822441f77d20016e920e3a264a75db086a73b40ef55567",
    "signature": "0x25fdfaac5385d46479e29e2bdf02f6229919d3ef9bebe2d3404b3773c7f2c4d079354d38db100183b314fe02e63a35f54102f0faee3dce17e70ef1c691ec53ad1c",
    "signer": "0x8cD8d6e90b4da9619a96bb038622f6aF7AEa8720",
    "userId": "881004247"
  }
}