{
  "manageEntity": {
    "action": "Update",
    "entityId": "936312438",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc860ca8280dc5ec35e2d9a8979315f1fb0e9eabba2338e6f3e6ca2e004304921",
    "signature": "0x20599d480ab07ceb11afbde1103790fab84f6881a77be90925f18da4780e357007c20df58b42b2510e201699cfaea888b29fb6517d0382a2002b98c7fc2256aa1c",
    "signer": "0xAeA5541F304246A9eB4CC1D378d45e3E682358C1",
    "userId": "936312438"
  }
}