{
  "manageEntity": {
    "action": "Update",
    "entityId": "897364472",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera4tzasmfjt76vcmrcvri2rljofds4nkgjzgb56yqcildocpq5itaq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1912718647}]}}}",
    "nonce": "0x34e0304281dd02a159802b5e2603317be734f15047011c94cf3669a008ad8a83",
    "signature": "0xd5d1290b3b68e20f882623af8a3ce11bb2406eda58f747035124f1fbd6eea762036d752f55bcafe8ba40838b48f8036302a306ce3ef51996ea1f2dfd4d8c8a021c",
    "signer": "0x32Fd845f378647dEbE18A97347E93FE2221f633f",
    "userId": "897364472"
  }
}