{
  "manageEntity": {
    "action": "Update",
    "entityId": "882295270",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xa50d8725df598b02d40d60e9a673a8336f334feefe7bec205ffd9b70205cebf1",
    "signature": "0xce1022cbf0ef4f7fd4517068c2e418d9551bf0b5ee88a0674cb45201ff04c0544f6b2b43de1ad8eeb2c8fe7dbd3bf1a289512e25a7fc3ed4232e4f314f0edb4a1c",
    "signer": "0x991e915c869C48A444F8c0981013e7f82D52EAE5",
    "userId": "882295270"
  }
}