{
  "manageEntity": {
    "action": "Update",
    "entityId": "527928318",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xe929e5111f21a6c1a56c8a5690f88d50a678915dfac1357dc9994b7635697c43",
    "signature": "0xd61753619ac09a2c371f44ae1a58e5ccaefbc00885bc5a035b85a2f88ad102cf3fcedbbc72525e18eded943fa75b4e65f420add022146a0b4ef2933ff0c1bc7a1b",
    "signer": "0x7485DFa6dD3242CF70f4eC6EcFebD9Be63f48c5f",
    "userId": "527928318"
  }
}