{
  "manageEntity": {
    "action": "Update",
    "entityId": "682691908",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x381cc460e3e9d235d15bd3469e956932061b78ef3919aa881f23c422614502cc",
    "signature": "0x9b8e76e9c1f384bcf6ef15927e718d33ef129a432fb375d32d9ee16c5ad89f8812f9f295f2b0cb2b9179efb18c72f501c65890d123dc28911c23e2e343ba30f41b",
    "signer": "0xeaf84e3A5ce11aa08fca9e8C89fcF08a5d913157",
    "userId": "682691908"
  }
}