{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "106406",
    "entityType": "User",
    "nonce": "0x441ea9c169364e98063482001c77511266f458b076095065e53257d28b0299d2",
    "signature": "0x41d772536c0904650e8438ca6264deb5207f8e3ff060b52c96aade79a2142eb62d30915333ff1f66adf573b6d6312ff635780ddd0b164dd1f254c5c0592b5a921c",
    "signer": "0x48ECe992edB7C739B36f37DDbE8Fe352996B5A56",
    "userId": "183063753"
  }
}