{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "568518925",
    "entityType": "User",
    "nonce": "0x890b7a218719c2b087e440ac76c450b7c2c91386d4dc66e98efac3a8135b8fae",
    "signature": "0x97c6d1e1f4e6d34f76d271b5696b8971b072fb8ba445e3e1c01f2c1c260ec4de1dcd2f7550ca89540a4681ae12a3d517d849d5aadf2ae9560db5850e679325f71b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}