{
  "manageEntity": {
    "action": "Update",
    "entityId": "671962508",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x06bf8d0295cbc785e3a4efde9f4a68619dcf66a1bc3690a47fb26abc61e8e87d",
    "signature": "0x96cc32628b17d75a44b82d3478c771f05d659faa92fa920345bccd550f921879162eb2cc74bff80f9a84702eaa037aa3dfa903a6f29e24f642a3f46426d970461c",
    "signer": "0x511F80f06f8395Af47f4aB5b2c9416786E83D2C0",
    "userId": "671962508"
  }
}