{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "230760",
    "entityType": "User",
    "nonce": "0xed5c94bc2cbf0f8866e3784f3568f0c47a850d9a150765e10c2b3e59c635b4ce",
    "signature": "0x7e94c84b43424191ea363171668d3a516fdfa02f44ddaee2bf9d936ee775251f188a43799d06ec2e681bcc36b7b21ba7d840000aa26f9565e670e73d0b1638981b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}