{
  "manageEntity": {
    "action": "Update",
    "entityId": "969179620",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaieramewnzxc5ovel3mqzjrorn2osbjgeams4kh6luctttknccazdxigq\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":1979234519},{\"type\":\"playlist\",\"playlist_id\":430142763},{\"type\":\"playlist\",\"playlist_id\":1052617040},{\"type\":\"playlist\",\"playlist_id\":1793368692}]}}}",
    "nonce": "0xd90ec427765909f7afbae388a56a42529735433317097f8f66ae5a8d127b6e10",
    "signature": "0x45efcd05f7de2561d2466975258a7ca4b29dbde274ece1e3b647baa591de93e93c5df4ebb79031de648d3185c80910cb79d49c424f4d5cd1ba1d4d7b6d9b9ebe1c",
    "signer": "0xD3aaf26adEFB3a5342559Af184A2B1A60d85d48c",
    "userId": "969179620"
  }
}