{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "353792",
    "entityType": "User",
    "nonce": "0x5f986583fd3d6039858253f71a2c31b6aafa094fca03db2e340ce42650e122e6",
    "signature": "0x26473800f521986ec9564bdbf8810bd4a8f9bc983eb55a0f147534d9024a6a1e5094287fd78cc8262f9d70493fda1a1fb2d276f621132d64b70207ce0ec523571b",
    "signer": "0x766Ba5816f1Cbcd9649d3b301b8F423CFF252fdb",
    "userId": "758745"
  }
}