{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11545",
    "entityType": "User",
    "nonce": "0x5090764b003f7b8ef0cdcc78549d89b08e8a9085837c70efd1dfb7fe7f21d489",
    "signature": "0x6ddf97f7a1ef30bc85d6b1c6b5b2846f4af8b1456603228d3dc17b0a35fbfa0640a87e1e304fab14d3b2f37f5c4e6c006bd65a2381b7b635b87b293d9119f56c1c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}