{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69618102",
    "entityType": "User",
    "nonce": "0x057153e6d783b56611d21c0e49249338ab761d38ed736cbfe0bf2dac29228504",
    "signature": "0xddc284a33be505353c73755e5e13e55218a022abab140e30e181d47e8d75325d67c969137a6548692421b18973487a8bb2c80cd4d6487e61d185778d8314273f1c",
    "signer": "0x712Aca9aA6ac07F98dcEC338Be9C15c3Dc47d569",
    "userId": "12730129"
  }
}