{
  "manageEntity": {
    "action": "Update",
    "entityId": "807549804",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc004b89443036dd6c205cf09cbb7d7a508786afa72b89072e8f21b8c629b20c3",
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    "signer": "0xD421e37d15105099410eABCBa242D0Ab3E985ab4",
    "userId": "807549804"
  }
}