{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1363771",
    "entityType": "User",
    "nonce": "0x847e6692733780e12644ee9cc76e81bb34475273a03aa8e3a69b6c7dbc5ac87c",
    "signature": "0xa285e531fc9a17cd92e4454c0743420f7db9647f58213b3b830c1d2c5bb8503a130edfbd0ef22de90f69a7f72b03f79b884bf782b44bfce4c5b288f51aebba6d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}