{
  "manageEntity": {
    "action": "Update",
    "entityId": "630757315",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0384aaf9a01ba6459b7eba8a25df7f6daac23fe790c10e1ba6614cc58b271809",
    "signature": "0x5df4d34195d477061e54743509c25efbb8260fd5884c186a52dc0cadcd7df18a4f815d4c532e9f32eefd81f5b2e96b4cc3a690c0b022c5aacd3debce3f5c56181c",
    "signer": "0x77833562adb5B57b0187a2950632792e49FC9700",
    "userId": "630757315"
  }
}