{
  "manageEntity": {
    "action": "Update",
    "entityId": "58600206",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3606a2956e7beabd3eacd8101e23db6c333c77caacf19dafeec36f1c88abc7ac",
    "signature": "0x69f2a481b1cff16afebe60b75b6c777e54c512c367049f064117032a09b1c0df1fdbc7bb3147e502eaa1134fdd70437d12ed55a9bb2d818c8d842153c18d86d91c",
    "signer": "0x7D89eD1c2C9744b86AE1D1301E8F342289D2f3cB",
    "userId": "58600206"
  }
}