{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59910",
    "entityType": "User",
    "nonce": "0xd0e54f872cda6690a155bd4905d9cc1739b853b07d4a31515e51f3e44552646b",
    "signature": "0x45ec0299d069d8681f94deec198c6d843302e10343a7439a887de4a9c75269725b3c96428f9c04dbdace647b0c52b11a6b03dd4385ba8123298759e90bd065501c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}