{
  "manageEntity": {
    "action": "Update",
    "entityId": "937591339",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierar7qxn2fxabup632xjzrsivydjlyefhawe264ekmvjlr6qqzdvs3q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1312763542},{\"type\":\"playlist\",\"playlist_id\":1552757967},{\"type\":\"playlist\",\"playlist_id\":1944069140},{\"type\":\"playlist\",\"playlist_id\":525596777}]}}}",
    "nonce": "0x47a515d47e72ab980175047c7c26d83facf45f09abd212bc34dff3a927c5ab8f",
    "signature": "0x7bcb2c29057b62d21e42b63d53b65cd62568ee20a6438016ee302d5f0bd794c05f028b533bd62dcf77bdb147173b9928c949823102e77980a2d8f6bfd8f665011b",
    "signer": "0x2B4524c69fAB42E4e548F5A7C30aF28b1433794D",
    "userId": "937591339"
  }
}