{
  "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": "0x6cb4ad7f2436df346cfc4465c61178f2230bb22fc749ec98e283abc62d351814",
    "signature": "0xe13d0d98214e6ec78c10e885e8d9f47cb10b41434370b2b8dda903473d3e5e102b57dbf1c2c2df1a2e34a4a1f1bcaf960c5d7030b8c3f2158795574c7a118a521b",
    "signer": "0x14ab7027c19a202dbEA7a9218aa291D424d901e9",
    "userId": "111579"
  }
}