{
  "manageEntity": {
    "action": "Update",
    "entityId": "770632822",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4677732e614314393f90877d827baf705c9d6048adeef32941adafedf1beb7a2",
    "signature": "0x356edfa0b01110d68355b220be2a998d02f91805e675e1a5b98b213a82f3808e0d8385c2cfa463b96c5bffd7d67131194a22daa6c14fd92d16cc66251684b9cd1c",
    "signer": "0x33F2ea0d831035543988062c41560F575f299Df6",
    "userId": "770632822"
  }
}