{
  "manageEntity": {
    "action": "Update",
    "entityId": "472472299",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x30759d1dbb9fec1a498d7be1805d86ab09256524903ab5385de1e6c80b48be03",
    "signature": "0xa450bcdccc942c3bd9ae4a0a3d8cb62517a468bb7427bf407c064de7a9af897b7623c1fb583a521c9cba0720dd9d31e3d022b601cdd7efd39cedc65bf581b7051b",
    "signer": "0x8A2eb611ED13B7Bc9CED13f52F7e15b1055eA0EC",
    "userId": "472472299"
  }
}