{
  "manageEntity": {
    "action": "Update",
    "entityId": "890925583",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieraeyybpyx6furhc5mb473qbmqahldei2ywkpeq2m5jbmo5pc2du6fq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1072977885},{\"type\":\"playlist\",\"playlist_id\":609526352},{\"type\":\"playlist\",\"playlist_id\":2047265108},{\"type\":\"playlist\",\"playlist_id\":1808708107}]}}}",
    "nonce": "0x64b5a3e9949cac477dafa01f71e1b5bf336eb72a05b1a2f4647fbd9c70a4cc40",
    "signature": "0x4c2732a09dc9ff3b865f7f745e1eba68cbeff7f5e13c1ee809f36ae0a1b3f26e54fe544e17c1f98fadeca2459b319c56463e7b793a1a69c45dcadc598cf025bd1b",
    "signer": "0x8d9b589dE1945cCd95F387a72F34E3D1dEe0A497",
    "userId": "890925583"
  }
}