{
  "manageEntity": {
    "action": "Update",
    "entityId": "111579",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierazzfqhxvkqcpdee7ogxdzjywjactvfesxd67bqoath7pxtogyx3pa\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":32219},{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3a17eedb74037ced2c04ae37b4ac8d87f075caf494fe3e671f473b2acb9a8209",
    "signature": "0x7f092cfe17c02b35cc47fd32495949658cf8a3633bc24506787fa9ef247477393fbbe1d4f0dfacc07c0ee54328d62365167bed5d71ba9b56af06fa24410c4bfa1b",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}