{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "804422713",
    "entityType": "User",
    "nonce": "0x16db411dc45f1caa51a7710cbe62da3d5cbd4717fc3fdc318404d3683904ab05",
    "signature": "0x1440bdf2e684f489b3a647ec83d0d82b66f25a5e438264eb66515e8b4e64295265ceda8c2de471b8bdbe9298faa5ef040dcb1f83153dcbe157a50835b10fb9521b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}