{
  "manageEntity": {
    "action": "Update",
    "entityId": "340004845",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x432f0d8fb30c1c210b4bede10d1b854db12f26df11d0950f1466c0810e17aa66",
    "signature": "0xf20d20344b45cf149150b72ae7fdf292139156204e4ff1bec62ac40ee240c54c17415b240e49ba93c62895b03c201b214dba422fbc2db0cc810149fbd19426671b",
    "signer": "0x297ec94a3D42104bd043dfdd15405Ef6DC0C3246",
    "userId": "340004845"
  }
}