{
  "manageEntity": {
    "action": "Update",
    "entityId": "417209156",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x51e7c74e7a1bfc8ef646785ae2916f02a09d9b7d863cb3c3beb7bedb23731f35",
    "signature": "0xe2a53c6cf0ee56f8e6fcc1875503aadf5d8b4d9f4fe38b60d8d4291396a13e4b45ffa56f20df43f6068325abc863ffdc59767eaabe9e7808f5f1100024d814721b",
    "signer": "0xB58CeE77383A5Ea597d5c8082eF7b3594734a0Ff",
    "userId": "417209156"
  }
}