{
  "manageEntity": {
    "action": "Update",
    "entityId": "613458015",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xcc096315a00b4c7f88f9ea71ffecac6ea1e8b26676e59eda112879e790050d89",
    "signature": "0x8c69ce1bfba6a43d8d6abda70e7d2e8c52354536c1c70dc104ce946748ba05a91d39aa1d26316a9f12d2d3fc44b3c7ea27e1dd95736f57c4c3e39b794caf86381c",
    "signer": "0xd6Fd4DdAb249Bf27c9022C2Fb88428E1bb91A45b",
    "userId": "613458015"
  }
}