{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x56228dc12bcabb93a74c88e6d68036269b43f47f4218aa58bb7bf1d9ca372c84",
    "signature": "0x79fc2d3659bf3d54e8c9de23ea6db5537f381e524ee3980a4b0aeac6b5073462532936a8e2c960268a168ee4510b27525d41fb8be7a19ab99e59c8eeb7b1aad51c",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}