{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x6a7634f2e3915a0a57bda91e7ac61fae620f6ed7922f5b5b2bc90fa1c491a907",
    "signature": "0xa43944f801b58709e2946fa20024a6a492a7acf5e46ad8ac51a130d7f0d2409073f19e78143a4af6420f80ecbc262a1d4f5c1ab82562c5345f86841d9c1b93b11b",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}