{
  "manageEntity": {
    "action": "Update",
    "entityId": "791523330",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4oabbhlzwut4qpa3rrm3gvgfe7yfdjvs6d6ubnno5mvdzwuutgeq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1915540650},{\"type\":\"playlist\",\"playlist_id\":989887315}]}}}",
    "nonce": "0x0706dbeff7d7ff78fcf912c46eb7348be655da5c5e7589863ae0105b969aa7c5",
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    "signer": "0xC30AC2fB3d662DdB28d2d773D62C6dB967b17562",
    "userId": "791523330"
  }
}