{
  "manageEntity": {
    "action": "Update",
    "entityId": "35164263",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x46b2bfccdc9c6337d31039421472dc10d84da7e0ce031437dd76fa4cf76af67a",
    "signature": "0x82f66e70525e1870ecd8d96272aa122b99d92b1b99867c0f06ee71635dedc28136d265a33da59678f444e0e2afd9c2f0df8509c279306e04eaacc1e030886d6e1b",
    "signer": "0x58A3eb1b3C9EF9b2FA599C2B465EE50183253a33",
    "userId": "35164263"
  }
}