{
  "manageEntity": {
    "action": "Update",
    "entityId": "941420599",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x0d9e8e06b130f0f661d331caf0302a1a7ded6b7ac82d7d577aca76350a49bbfe",
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    "signer": "0xF90274a9681f47A7a6067404D7320A739B3BF916",
    "userId": "941420599"
  }
}