{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65768",
    "entityType": "User",
    "nonce": "0xe3db1f9d1c4be738b2185b7009dc7b7c3520c3e7812044a056b4480041b68f93",
    "signature": "0x730eaf69bf0c1747746e938a40f0193cdaa363e1b5df733ba307d9de1ef7aa206a209a67155830caa3f38f616e1fbd8901f652bf57d07d8b958e1c02f9f005521b",
    "signer": "0xB874f4621c8c59121feacEaD49e379Baa95ebC5b",
    "userId": "480497000"
  }
}