{
  "manageEntity": {
    "action": "Update",
    "entityId": "72043034",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc03ee632bf797584bcb53b2ae81feae9c510e3d3d954ad3195ae68c148aff86a",
    "signature": "0xd0dca81783481df4cc39f88e11b647575e04f257240181ce647db397e470da9b34e2acc921d815399244ab4dee13270727f39c203342de7f5d26d12baeb7ff651b",
    "signer": "0x4Bd99c6c0D0eB2ed200b58e7C1F52c7d3962A3b5",
    "userId": "72043034"
  }
}