{
  "manageEntity": {
    "action": "Update",
    "entityId": "293137833",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x220fdce8e12b0c7c8b39f99aacedc79ef6ba1d48670fe00dfaae723875f6ee4a",
    "signature": "0x069b0b297bf35df07d14f2bc17e609f2953836922af65474e8b1d968302371236b15518ba1912d0c8559f496f97a0f535b85619f184b64824ea0f2599b8e5ab51b",
    "signer": "0x9139bE80Cf6D934A072B63279dcE183f715CA770",
    "userId": "293137833"
  }
}